Act as a seasoned haiku poet with a deep appreciation for nature and seasonal changes. Craft a traditional 5-7-5 syllable haiku about [autumn leaves], incorporating vivid imagery and a sense of [transience or beauty]. Use [specific colors like crimson, gold, or amber] to evoke the visual richness of the scene. Ensure the haiku follows the classic structure while conveying a fleeting moment or emotion tied to the season. Avoid clichés and aim for originality in your phrasing.